please help with Question 20 only. thanks The following two questions refer to the solubility of substancesSolubility of some substancesThe graph shows how the solubility offour substances changes astemperature of the water changes.the100Substance A90Substance BSolubility is measured in grams per 100grams of water. When the maximumamount of substance hasdissolved, the solution is saturated, and,if any more solid substance is added, itforms a sediment.8070been60Substance C50Substance D4030201010 20 30 40506070Temperature of Water (°C)Question 19.A student stirred 50 g of one of the substances in 100 g of water at 30 °C. She found that all of the soliddissolved. Which substance did the student use?А.Substance AВ.Substance BC. Substance CD. Substance DQuestion 20.In another investigation the student added 100 g of each substance to 200 g of water at 60 °C. The substancesdid not react with each other. She filtered the mixture. The student then cooled the water to 20 °C and againfiltered the mixture. What approximate mass of crystals would she collect in the second filter paper?А.42 gB. 84 gс.124 gD. 176 gSolubility (Grams of substance per 100 gramsof water)

A solubility curve indicates the solubility of solutes in water at different temperatures.

Question 20. In another investigation the student added 100 g of each substance to 200 g of water at 60 °C. The substances did not react with each other. She filtered the mixture. The student then cooled the water to 20 °C and again filtered the mixture. What approximate mass of crystals would she collect in the second filter paper? 42 g В. 84 g C. 124 g D. 176 g А.

Question 20. In another investigation the student added 100 g of each substance to 200 g of water at 60 °C. The substances did not react with each other. She filtered the mixture. The student then cooled the water to 20 °C and again filtered the mixture. What approximate mass of crystals would she collect in the second filter paper? 42 g В. 84 g C. 124 g D. 176 g А.

General, Organic, and Biological Chemistry

7th Edition

ISBN:9781285853918

Author:H. Stephen Stoker

Publisher:H. Stephen Stoker

Chapter8: Solutions

Section: Chapter Questions

Problem 8.5EP: For each of the following pairs of solutions, select the solution for which solute solubility is...

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